SPARKLING LIKE STARS IN THE NIGHT - Blue Stone is unique. The stone's internal crystals appear and disappear randomly as the earrings move . . . causing them to sparkle . . . just like twinkling stars. These Sterling Silver (0.925 fine) earrings are made from 12mm dia. beads of Rare Polished Blue Stone, 12mm Sterling Silver Carved Bead caps, 6mm Sterling Silver Bali Flower Beads, and 3mm Sterling Silver smooth round beads. They are attached to Sterling Silver Lever-Back ear wires. approx. size - 1-3/8" long overall